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Hitachi SRL Series Instruction Manual page 32

Oilfree scroll compressor
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Maintenance and Inspection (continued)
20,000 Hours and/or 8 Years Maintenance and Inspection Procedures ・・・・ 122PSIG Model
10,000 Hours and/or 4 Years Maintenance and Inspection Procedures ・・・・ 145PSIG Model
It is recommended to call the local Hitachi distributor for these maintenance and inspection items,
including the replacement of the scroll head (see page 21 and/or 22).
【122PSIG Model】
● Eight (8) years or 20,000 hours is the recommended replacement period during normal operations,
Do not operate longer than 20,000 hours without replacing these components, as they will cause
damage to the air compressor and/or accidents.
【145PSIG Model】
● Four (4) years or 10,000 hours is the recommended replacement period during normal operations,
Do not operate longer than 10,000 hours without replacing these components, as they will cause
damage to the air compressor and/or accidents.
Long Term Storage - SRL Air Compressor Out of Service for Over One Month
(1)Perform the following steps every month to prevent reduction in the grease life from moisture
accumulation:
- Idle the air compressor for longer than 30 minutes.
(2)Perform the following procedure every six (6) months to prevent rusting of the air compressor:
1. Operate the air compressor in a no-load state for 10 minutes.
2. Increase the pressure of the air compressor to verify correct operation (see page 19).
3. Operate the air compressor for another 10 minutes in a no-load state before stopping the air
compressor.
4. Completely drain the condensate in the air receiver.
(3) Storage Location
Store the air compressor in the one of the following areas:
1. Storage area with minimal moisture.
2. Storage area that is not subject to contaminants and/or dust.
WARNING
28

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